#include "demo-common.h"
static GtkWidget *assistant = NULL;
+static GtkWidget *progress_bar = NULL;
+
+static gboolean
+apply_changes_gradually (gpointer data)
+{
+ gdouble fraction;
+
+ /* Work, work, work... */
+ fraction = gtk_progress_bar_get_fraction (GTK_PROGRESS_BAR (progress_bar));
+ fraction += 0.05;
+
+ if (fraction < 1.0)
+ {
+ gtk_progress_bar_set_fraction (GTK_PROGRESS_BAR (progress_bar), fraction);
+ return TRUE;
+ }
+ else
+ {
+ /* Close automatically once changes are fully applied. */
+ gtk_widget_destroy (assistant);
+ return FALSE;
+ }
+}
static void
on_assistant_apply (GtkWidget *widget, gpointer data)
{
- /* Apply here changes, this is a fictional
- example, so we just do nothing here */
+ /* Start a timer to simulate changes taking a few seconds to apply. */
+ g_timeout_add (100, apply_changes_gradually, NULL);
}
static void
title = g_strdup_printf ("Sample assistant (%d of %d)", current_page + 1, n_pages);
gtk_window_set_title (GTK_WINDOW (widget), title);
g_free (title);
+
+ /* The fourth page (counting from zero) is the progress page. The
+ * user clicked Apply to get here so we tell the assistant to commit,
+ * which means the changes up to this point are permanent and cannot
+ * be cancelled or revisited. */
+ if (current_page == 3)
+ gtk_assistant_commit (GTK_ASSISTANT (widget));
}
static void
GtkWidget *box, *label, *entry;
GdkPixbuf *pixbuf;
- box = gtk_hbox_new (FALSE, 12);
+ box = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, FALSE, 12);
gtk_container_set_border_width (GTK_CONTAINER (box), 12);
label = gtk_label_new ("You must fill out this entry to continue:");
GtkWidget *box, *checkbutton;
GdkPixbuf *pixbuf;
- box = gtk_vbox_new (12, FALSE);
+ box = gtk_box_new (GTK_ORIENTATION_VERTICAL, 12, FALSE);
gtk_container_set_border_width (GTK_CONTAINER (box), 12);
checkbutton = gtk_check_button_new_with_label ("This is optional data, you may continue "
g_object_unref (pixbuf);
}
+static void
+create_page4 (GtkWidget *assistant)
+{
+ GtkWidget *page;
+
+ page = gtk_alignment_new (0.5, 0.5, 0.5, 0.0);
+
+ progress_bar = gtk_progress_bar_new ();
+ gtk_container_add (GTK_CONTAINER (page), progress_bar);
+
+ gtk_widget_show_all (page);
+ gtk_assistant_append_page (GTK_ASSISTANT (assistant), page);
+ gtk_assistant_set_page_type (GTK_ASSISTANT (assistant), page, GTK_ASSISTANT_PAGE_PROGRESS);
+ gtk_assistant_set_page_title (GTK_ASSISTANT (assistant), page, "Applying changes");
+
+ /* This prevents the assistant window from being
+ * closed while we're "busy" applying changes. */
+ gtk_assistant_set_page_complete (GTK_ASSISTANT (assistant), page, FALSE);
+}
+
GtkWidget*
do_assistant (GtkWidget *do_widget)
{
create_page1 (assistant);
create_page2 (assistant);
create_page3 (assistant);
+ create_page4 (assistant);
g_signal_connect (G_OBJECT (assistant), "cancel",
G_CALLBACK (on_assistant_close_cancel), &assistant);
G_CALLBACK (on_assistant_prepare), NULL);
}
- if (!GTK_WIDGET_VISIBLE (assistant))
+ if (!gtk_widget_get_visible (assistant))
gtk_widget_show (assistant);
else
{